. . .
Download the installation package for Windows from Download OpenCPN[667].
and configure your GPS source, chart directories, and other settings. It is highly recommended that you use the Chart Downloader Tab to setup directories and download charts.
Win 8 RT is not supported.
Win CE is not supported.
Win XP SP 2 or 1 are not supported. The last OpenCPN version that included support was 2.6.1624.
Win XP SP 3 will be dropped in the next release. Get ready.
Win 2000 is not supported. The last OpenCPN version that included support was 2.5.0.
Win 98/ME are not supported. The last OpenCPN version that included support was 2.1.0.
Old versions of OpenCPN are available on SourceForge[669].